# Comma separated sassignment expressions enclosed in parenthesis.
for(($i = 0), ($j = 0); $i -lt 10; $i++){
    "`$i:$j"
    "`$j:$j"
}

# Sub-expression using the semicolon to separate statements.
for($($i = 0;$j = 0); $i -lt 10; $i++){
    "`$i:$i"
    "`$j:$j"
}

